We've pumped so much groundwater that we've nudged Earth's spin: The shifting of mass and consequent sea level rise due to groundwater withdrawal has caused the Earth's rotational pole to wander nearly a meter in two decades
www.sciencedaily.com
By pumping water out of the ground and moving it elsewhere, humans have shifted such a large mass of water that the Earth tilted nearly 80 centimeters (31.5 inches) east between 1993 and 2010 alone, according to a new study.